Senior Systems and Security Administrator

Tenth Revolution Group; Boston (MA); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Tenth Revolution Group is seeking a Senior Systems & Security Administrator to own and evolve a broad technology environment, spanning Microsoft cloud technologies, endpoint management, and security operations. You will support both Mac and Windows, manage onboarding/offboarding, and coordinate with MSPs/MSSPs to keep systems secure and available.

The role offers hands-on ownership, exposure to modern security practices, and opportunities to drive automation and efficiency across a fast‑paced

Qualifications

• 7+ years of experience in Systems Administration, Infrastructure Administration, IT Operations, or a related field.
• Strong hands-on experience with Microsoft 365, Azure, Entra ID, and Intune.
• Experience managing user lifecycle processes, access controls, and identity management.
• Experience supporting both Mac and Windows environments.
• Strong systems administration and troubleshooting skills across cloud and endpoint technologies.
• Experience supporting hardware deployments, asset management, and endpoint lifecycle administration.
• Understanding of networking, Wi‑Fi administration, and enterprise technology environments.
• Experience administering security tools, policies, and processes within a broader systems administration function.
• Strong organizational skills with the ability to manage multiple priorities simultaneously.
• Demonstrated ownership, attention to detail, initiative, and follow‑through.
• Excellent communication and stakeholder management skills.

Responsibilities

• Administer and support Microsoft 365, Azure, Entra ID, Intune, and related Microsoft cloud technologies.
• Manage user onboarding, offboarding, provisioning, and identity/access management processes.
• Support security administration, including MFA, Conditional Access, endpoint security, and security best practices.
• Administer and support workplace technologies including Zoom, Teams, Slack, Dropbox, Adobe, and related SaaS platforms.
• Oversee hardware lifecycle management, asset tracking, inventory management, device deployment, and equipment refresh programs.
• Manage and support both Mac and Windows environments.
• Support networking and Wi‑Fi infrastructure while coordinating with external vendors and service providers.
• Partner with MSPs and MSSPs to support infrastructure and security operations.
• Administer security tools including Huntress, Cloudflare, Microsoft Authenticator, and related platforms.
• Support conference room technology, AV systems, and employee collaboration tools.
• Troubleshoot and resolve complex technical issues while serving as a senior escalation point.
• Identify opportunities for process improvement, automation, and operational efficiency.
• Maintain documentation, standards, and technology best practices across the environment.
• Assist with business‑critical systems and applications that support day‑to‑day operations.

Skills

Microsoft 365

Azure

Entra ID

Intune

Mac/Windows admin

Identity management

Networking/Wi‑Fi

Security tools

SaaS platforms

PowerShell/automation

Tools

Huntress

Cloudflare

Zscaler

Microsoft Authenticator

MSP/MSSP coordination

Job description

Schedule: Hybrid (4 Days Onsite / 1 Day Remote)

A growing consumer-focused organization is seeking a Senior Systems & Security Administrator to join its IT team. This is an excellent opportunity for a hands‑on technology professional who enjoys owning a broad technology environment spanning Microsoft cloud technologies, systems administration, security, endpoint management, hardware administration, and workplace technology.

This role is ideal for someone who thrives in a fast‑paced environment, takes pride in ownership and execution, and enjoys working across both strategic initiatives and day‑to‑day operational support. The successful candidate will play a key role in maintaining and improving the organization’s technology infrastructure while supporting a growing employee base.

Responsibilities:

• Administer and support Microsoft 365, Azure, Entra ID, Intune, and related Microsoft cloud technologies
• Manage user onboarding, offboarding, provisioning, and identity/access management processes
• Support security administration, including MFA, Conditional Access, endpoint security, and security best practices
• Administer and support workplace technologies including Zoom, Teams, Slack, Dropbox, Adobe, and related SaaS platforms
• Oversee hardware lifecycle management, asset tracking, inventory management, device deployment, and equipment refresh programs
• Manage and support both Mac and Windows environments
• Support networking and Wi‑Fi infrastructure while coordinating with external vendors and service providers
• Partner with managed service providers (MSPs) and managed security service providers (MSSPs) to support infrastructure and security operations
• Administer security tools including Huntress, Cloudflare, Microsoft Authenticator, and related platforms
• Support conference room technology, AV systems, and employee collaboration tools
• Troubleshoot and resolve complex technical issues while serving as a senior escalation point
• Identify opportunities for process improvement, automation, and operational efficiency
• Maintain documentation, standards, and technology best practices across the environment
• Assist with business‑critical systems and applications that support day‑to‑day operations

Qualifications:

• 7+ years of experience in Systems Administration, Infrastructure Administration, IT Operations, or a related field
• Strong hands‑on experience with Microsoft 365, Azure, Entra ID, and Intune
• Experience managing user lifecycle processes, access controls, and identity management
• Experience supporting both Mac and Windows environments
• Strong systems administration and troubleshooting skills across cloud and endpoint technologies
• Experience supporting hardware deployments, asset management, and endpoint lifecycle administration
• Understanding of networking, Wi‑Fi administration, and enterprise technology environments
• Experience administering security tools, policies, and processes within a broader systems administration function
• Strong organizational skills with the ability to manage multiple priorities simultaneously
• Demonstrated ownership, attention to detail, initiative, and follow‑through
• Excellent communication and stakeholder management skills

Preferred Qualifications:

• Experience with Huntress, Cloudflare, Zscaler, Microsoft Authenticator, or similar security platforms
• Experience working with MSPs, MSSPs, and external technology vendors
• Familiarity with Shopify, ERP platforms, or other business‑critical operational systems
• PowerShell, Microsoft Graph, or automation experience
• Experience supporting Zoom Rooms, Teams Rooms, conference room technologies, or AV systems
• AWS exposure
• Experience in high‑growth, fast‑paced environments with evolving technology needs
• Demonstrated career progression and increasing levels of responsibility throughout your career

Why Consider This Opportunity?

• Highly visible role with broad ownership across infrastructure, security, and IT operations
• Opportunity to influence and improve the organization’s technology environment
• Diverse responsibilities spanning cloud technologies, security, workplace technology, and business operations
• Exposure to modern Microsoft and security technologies
• Collaborative environment with opportunities for continued growth and career advancement
• Competitive compensation and benefits package
• Opportunity to make a direct impact within a growing organization